Product Features:

• Contains a built-in transmitter which can send alarm, supervisory and battery condition messages to the system's receiver/control unit
• Powered by a three-volt lithium battery. If the battery voltage gets too low, the 5809 sends a low battery signal to the control panel
• Has a tamper switch, which causes a trouble signal to be sent to the control if the unit is removed from the mounting base
• UL Listed for Commercial (when using 5881EH Receiver) or Residential applications
• Mounts on ceiling or wall for maximum installation flexibility
• 135°F Fixed temperature sensor
• Rate of Rise - 15°F per Minute @ <100°F
• UL 521 commercial/residential applications
• CSFM commercial/residential applications
• Includes 3V lithium battery